./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-2.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-1+token_ring.01.cil-2.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-2.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-1+token_ring.01.cil-2.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:15:49,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:49,615 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:49,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:49,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:49,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:49,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:49,653 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:49,654 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:49,655 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:49,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:49,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:49,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:49,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:49,659 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:49,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:49,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:49,663 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:49,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:49,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:49,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:49,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:49,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:49,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:49,666 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:49,667 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:49,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:49,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:49,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:49,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:49,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:49,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:49,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:49,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:49,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:49,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:49,670 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:49,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:49,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:49,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:49,671 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:49,672 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:49,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:49,672 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:49,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:49,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:49,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:49,959 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:49,959 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:49,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-2.c [2024-08-14 14:15:51,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:51,665 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:51,665 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-2.c [2024-08-14 14:15:51,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acaf1bd19/a58df7d54cfa49bab8ddc3db5e2bcb5d/FLAG79f8409e1 [2024-08-14 14:15:51,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acaf1bd19/a58df7d54cfa49bab8ddc3db5e2bcb5d [2024-08-14 14:15:51,699 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:51,700 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:51,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-1+token_ring.01.cil-2.yml/witness.yml [2024-08-14 14:15:51,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:51,847 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:51,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:51,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:51,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:51,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:51" (1/2) ... [2024-08-14 14:15:51,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3fd9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:51, skipping insertion in model container [2024-08-14 14:15:51,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:51" (1/2) ... [2024-08-14 14:15:51,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ee24096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:51, skipping insertion in model container [2024-08-14 14:15:51,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:51" (2/2) ... [2024-08-14 14:15:51,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3fd9d5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:51, skipping insertion in model container [2024-08-14 14:15:51,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:51" (2/2) ... [2024-08-14 14:15:51,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:52,060 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-2.c[914,927] [2024-08-14 14:15:52,114 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-2.c[7115,7128] [2024-08-14 14:15:52,148 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:52,163 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:52,174 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-2.c[914,927] [2024-08-14 14:15:52,192 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-2.c[7115,7128] [2024-08-14 14:15:52,210 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:52,239 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:52,239 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52 WrapperNode [2024-08-14 14:15:52,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:52,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:52,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:52,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:52,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52" (1/1) ... [2024-08-14 14:15:52,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52" (1/1) ... [2024-08-14 14:15:52,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52" (1/1) ... [2024-08-14 14:15:52,297 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-14 14:15:52,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52" (1/1) ... [2024-08-14 14:15:52,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52" (1/1) ... [2024-08-14 14:15:52,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52" (1/1) ... [2024-08-14 14:15:52,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52" (1/1) ... [2024-08-14 14:15:52,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52" (1/1) ... [2024-08-14 14:15:52,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:52,321 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:52,321 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:52,321 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:52,322 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52" (1/1) ... [2024-08-14 14:15:52,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:52,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:52,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:15:52,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:15:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2024-08-14 14:15:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-08-14 14:15:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-08-14 14:15:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-08-14 14:15:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-08-14 14:15:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2024-08-14 14:15:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-08-14 14:15:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-08-14 14:15:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-08-14 14:15:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-08-14 14:15:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:52,502 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:52,508 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:53,065 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:53,065 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:53,084 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:53,084 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:53,085 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:53 BoogieIcfgContainer [2024-08-14 14:15:53,085 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:53,087 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:53,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:53,091 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:53,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:51" (1/4) ... [2024-08-14 14:15:53,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6629231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:53, skipping insertion in model container [2024-08-14 14:15:53,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:51" (2/4) ... [2024-08-14 14:15:53,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6629231 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:53, skipping insertion in model container [2024-08-14 14:15:53,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52" (3/4) ... [2024-08-14 14:15:53,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6629231 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:53, skipping insertion in model container [2024-08-14 14:15:53,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:53" (4/4) ... [2024-08-14 14:15:53,097 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1+token_ring.01.cil-2.c [2024-08-14 14:15:53,097 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:53,118 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:53,119 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:53,160 INFO L92 WitnessUtils]: Constructing product of automaton with 305 states and violation witness of the following lengths: [102] [2024-08-14 14:15:53,167 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 305 states, 208 states have (on average 1.4471153846153846) internal successors, (301), 222 states have internal predecessors, (301), 55 states have call successors, (55), 38 states have call predecessors, (55), 38 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-08-14 14:15:54,096 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 2766 states to 0 states. [2024-08-14 14:15:54,114 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:54,124 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60c47eae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:54,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:54,126 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:54,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:54,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:54,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:54,135 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:54,138 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:54,142 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:54 BoogieIcfgContainer [2024-08-14 14:15:54,143 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:54,144 INFO L158 Benchmark]: Toolchain (without parser) took 2296.46ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 100.4MB in the beginning and 87.6MB in the end (delta: 12.7MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,144 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:54,144 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:54,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.74ms. Allocated memory is still 163.6MB. Free memory was 99.9MB in the beginning and 82.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,145 INFO L158 Benchmark]: Boogie Preprocessor took 79.21ms. Allocated memory is still 163.6MB. Free memory was 82.2MB in the beginning and 79.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,146 INFO L158 Benchmark]: IcfgBuilder took 764.24ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 79.0MB in the beginning and 184.7MB in the end (delta: -105.8MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,146 INFO L158 Benchmark]: TraceAbstraction took 1055.39ms. Allocated memory is still 232.8MB. Free memory was 183.7MB in the beginning and 87.6MB in the end (delta: 96.1MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,150 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.74ms. Allocated memory is still 163.6MB. Free memory was 99.9MB in the beginning and 82.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.21ms. Allocated memory is still 163.6MB. Free memory was 82.2MB in the beginning and 79.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 764.24ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 79.0MB in the beginning and 184.7MB in the end (delta: -105.8MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1055.39ms. Allocated memory is still 232.8MB. Free memory was 183.7MB in the beginning and 87.6MB in the end (delta: 96.1MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 496]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 310 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 14:15:54,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE